Does PO41 flood?

Yes — parts of the PO41 district carry real flood risk: 19 of its 28 at-risk postcodes reach the Environment Agency's High likelihood band. The PO41 postcode district covers Brighstone, Calbourne & Shalfleet, close to Yarmouth, Freshwater, Lymington, and surrounding villages in parts of Hampshire and Isle of Wight.

28 postcodes in the PO41 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 19 high, 5 medium, 4 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

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Which PO41 postcodes are at risk?

Rivers and flooding history near PO41

The rivers that matter here, each monitored live on FloodRadar:

Freshwater on the Western Yar — 3 km away, highest on record 1.19m
Milford Bridge on the Danes Stream — 7.4 km away, highest on record 1.88m
New Valley Road on the Danes Stream — 8 km away, highest on record 0.79m
Brockenhurst on the Lymington — 13.1 km away, highest on record 2.13m

77 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (11 at warning level or above), most recently 5 December 2025. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

10/03/2008 Yarmouth Harbour (2008) — about 0.6 km from the centre
06/1999_Western Yar_Freshwater (1999) — about 3.2 km from the centre
14/12/1989_Coast_Lymington/Keyhaven(2) (1989) — about 5.6 km from the centre
14/12/1989_Coast_Lymington/Keyhaven (1989) — about 5.6 km from the centre

🏠 Buying or renting in PO41? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

PO40 PO38 PO37 PO36 PO35 PO34 PO33 PO32

Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © Environment Agency copyright and/or database right 2025. All rights reserved. Some features of this map are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH). © Crown Copyright and Database Rights 2025 OS AC0000807064. This product is produced in part from PAF® and Multiple Residence Data, the copyright in which is owned by Royal Mail Group Limited and/or Royal Mail Group plc. All rights reserved. Licence number AC0000807064.